Warrants and Derivative Liabilities (Details) - $ / shares
 9 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Class of Warrant or Right [Line Items]    
Amount Vested and Outstanding 57,943,250 53,130,750
Pre 2015 Common Stock Warrants    
Class of Warrant or Right [Line Items]    
Exercise Price $ 1.00 $ 1.00
Amount Vested and Outstanding 4,000,000 4,000,000
Pre 2015 Common Stock Warrants | Minimum    
Class of Warrant or Right [Line Items]    
Term (Years) 6 years 6 years
Pre 2015 Common Stock Warrants | Maximum    
Class of Warrant or Right [Line Items]    
Term (Years) 10 years 10 years
2015 Common Stock Warrants    
Class of Warrant or Right [Line Items]    
Amount Vested and Outstanding 442,000 442,000
2015 Common Stock Warrants | Minimum    
Class of Warrant or Right [Line Items]    
Exercise Price $ 1.15 $ 1.15
Term (Years) 5 years 5 years
2015 Common Stock Warrants | Maximum    
Class of Warrant or Right [Line Items]    
Exercise Price $ 5.00 $ 5.00
Term (Years) 10 years 10 years
2015 series B financing Common Stock Warrants to Series B Stockholders    
Class of Warrant or Right [Line Items]    
Exercise Price $ 0.00 $ 0.00
Term (Years) 5 years 5 years
Amount Vested and Outstanding 1,031,250 1,031,250
2015 Series B financing Placement Agent Warrants    
Class of Warrant or Right [Line Items]    
Exercise Price   $ 0.00
Term (Years)   5 years
Amount Vested and Outstanding   187,500
2016 Common Stock Warrants to Service Providers    
Class of Warrant or Right [Line Items]    
Exercise Price $ 1.15 $ 1.15
Term (Years) 10 years 10 years
Amount Vested and Outstanding 40,000 40,000
2016 Series C Common Stock Warrants to Placement Agent    
Class of Warrant or Right [Line Items]    
Exercise Price $ 0.40 $ 0.40
Term (Years) 5 years 5 years
Amount Vested and Outstanding 125,000 125,000
2017 Series D Common Stock Warrants to Placement Agent    
Class of Warrant or Right [Line Items]    
Exercise Price $ 0.25 $ 0.25
Term (Years) 5 years 5 years
Amount Vested and Outstanding 480,000 480,000
2017 Common Stock Warrants to Service Provider    
Class of Warrant or Right [Line Items]    
Exercise Price $ 0.41 $ 0.41
Term (Years) 5 years 5 years
Amount Vested and Outstanding 125,000 125,000
2018 Emerald Financing Warrants    
Class of Warrant or Right [Line Items]    
Exercise Price $ 0.10 $ 0.10
Term (Years) 5 years 5 years
Amount Vested and Outstanding 44,200,000 44,200,000
2018 Emerald Multi-Draw Credit Agreement Warrants    
Class of Warrant or Right [Line Items]    
Exercise Price $ 0.50 $ 0.50
Term (Years) 5 years 5 years
Amount Vested and Outstanding 7,500,000 2,500,000